Although the '90s live-action Teenage Mutant Ninja Turtles franchise ended after a brief…
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TMNT co-creator Peter Laird penciled these concept pieces, which were inked by his co-creator Kevin Eastman. The idea was that the mutagen would continue to give the turtles and Splinter new abilities and new woes: Donatello would become telepathic and telekinetic but would start to lose his eyesight; Leonardo could turn his skin into an impenetrable chrome-like substance; Michelangelo could project a human appearance, allowing him to interact with humans (hence the funky clothes); Raphael could turn into the monstrous "Raptor Raphael"; and Splinter would get in on the action since he would now have the power to morph into a super rat. On that last point, Laird says, "Okay, it's lame... I admit it."